mirror of https://github.com/k3s-io/k3s
197 lines
7.3 KiB
Go
197 lines
7.3 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package apimachinery
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import (
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"bytes"
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"context"
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"fmt"
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"text/tabwriter"
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"github.com/onsi/ginkgo"
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"github.com/onsi/gomega"
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authorizationv1 "k8s.io/api/authorization/v1"
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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metav1beta1 "k8s.io/apimachinery/pkg/apis/meta/v1beta1"
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"k8s.io/client-go/util/workqueue"
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utilversion "k8s.io/apimachinery/pkg/util/version"
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"k8s.io/kubernetes/pkg/printers"
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"k8s.io/kubernetes/test/e2e/framework"
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e2elog "k8s.io/kubernetes/test/e2e/framework/log"
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imageutils "k8s.io/kubernetes/test/utils/image"
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)
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var serverPrintVersion = utilversion.MustParseSemantic("v1.10.0")
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var _ = SIGDescribe("Servers with support for Table transformation", func() {
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f := framework.NewDefaultFramework("tables")
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ginkgo.BeforeEach(func() {
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framework.SkipUnlessServerVersionGTE(serverPrintVersion, f.ClientSet.Discovery())
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})
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ginkgo.It("should return pod details", func() {
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ns := f.Namespace.Name
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c := f.ClientSet
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podName := "pod-1"
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e2elog.Logf("Creating pod %s", podName)
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_, err := c.CoreV1().Pods(ns).Create(newTablePod(podName))
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framework.ExpectNoError(err, "failed to create pod %s in namespace: %s", podName, ns)
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table := &metav1beta1.Table{}
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err = c.CoreV1().RESTClient().Get().Resource("pods").Namespace(ns).Name(podName).SetHeader("Accept", "application/json;as=Table;v=v1beta1;g=meta.k8s.io").Do().Into(table)
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framework.ExpectNoError(err, "failed to get pod %s in Table form in namespace: %s", podName, ns)
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e2elog.Logf("Table: %#v", table)
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gomega.Expect(len(table.ColumnDefinitions)).To(gomega.BeNumerically(">", 2))
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gomega.Expect(len(table.Rows)).To(gomega.Equal(1))
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gomega.Expect(len(table.Rows[0].Cells)).To(gomega.Equal(len(table.ColumnDefinitions)))
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gomega.Expect(table.ColumnDefinitions[0].Name).To(gomega.Equal("Name"))
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gomega.Expect(table.Rows[0].Cells[0]).To(gomega.Equal(podName))
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out := printTable(table)
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gomega.Expect(out).To(gomega.MatchRegexp("^NAME\\s"))
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gomega.Expect(out).To(gomega.MatchRegexp("\npod-1\\s"))
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e2elog.Logf("Table:\n%s", out)
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})
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ginkgo.It("should return chunks of table results for list calls", func() {
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ns := f.Namespace.Name
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c := f.ClientSet
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client := c.CoreV1().PodTemplates(ns)
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ginkgo.By("creating a large number of resources")
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workqueue.ParallelizeUntil(context.TODO(), 5, 20, func(i int) {
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for tries := 3; tries >= 0; tries-- {
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_, err := client.Create(&v1.PodTemplate{
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ObjectMeta: metav1.ObjectMeta{
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Name: fmt.Sprintf("template-%04d", i),
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},
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Template: v1.PodTemplateSpec{
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Spec: v1.PodSpec{
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Containers: []v1.Container{
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{Name: "test", Image: "test2"},
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},
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},
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},
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})
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if err == nil {
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return
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}
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e2elog.Logf("Got an error creating template %d: %v", i, err)
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}
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ginkgo.Fail("Unable to create template %d, exiting", i)
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})
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pagedTable := &metav1beta1.Table{}
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err := c.CoreV1().RESTClient().Get().Namespace(ns).Resource("podtemplates").
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VersionedParams(&metav1.ListOptions{Limit: 2}, metav1.ParameterCodec).
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SetHeader("Accept", "application/json;as=Table;v=v1beta1;g=meta.k8s.io").
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Do().Into(pagedTable)
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framework.ExpectNoError(err, "failed to get pod templates in Table form in namespace: %s", ns)
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gomega.Expect(len(pagedTable.Rows)).To(gomega.Equal(2))
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gomega.Expect(pagedTable.ResourceVersion).ToNot(gomega.Equal(""))
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gomega.Expect(pagedTable.SelfLink).ToNot(gomega.Equal(""))
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gomega.Expect(pagedTable.Continue).ToNot(gomega.Equal(""))
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gomega.Expect(pagedTable.Rows[0].Cells[0]).To(gomega.Equal("template-0000"))
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gomega.Expect(pagedTable.Rows[1].Cells[0]).To(gomega.Equal("template-0001"))
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err = c.CoreV1().RESTClient().Get().Namespace(ns).Resource("podtemplates").
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VersionedParams(&metav1.ListOptions{Continue: pagedTable.Continue}, metav1.ParameterCodec).
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SetHeader("Accept", "application/json;as=Table;v=v1beta1;g=meta.k8s.io").
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Do().Into(pagedTable)
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framework.ExpectNoError(err, "failed to get pod templates in Table form in namespace: %s", ns)
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gomega.Expect(len(pagedTable.Rows)).To(gomega.BeNumerically(">", 0))
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gomega.Expect(pagedTable.Rows[0].Cells[0]).To(gomega.Equal("template-0002"))
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})
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ginkgo.It("should return generic metadata details across all namespaces for nodes", func() {
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c := f.ClientSet
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table := &metav1beta1.Table{}
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err := c.CoreV1().RESTClient().Get().Resource("nodes").SetHeader("Accept", "application/json;as=Table;v=v1beta1;g=meta.k8s.io").Do().Into(table)
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framework.ExpectNoError(err, "failed to get nodes in Table form across all namespaces")
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e2elog.Logf("Table: %#v", table)
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gomega.Expect(len(table.ColumnDefinitions)).To(gomega.BeNumerically(">=", 2))
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gomega.Expect(len(table.Rows)).To(gomega.BeNumerically(">=", 1))
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gomega.Expect(len(table.Rows[0].Cells)).To(gomega.Equal(len(table.ColumnDefinitions)))
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gomega.Expect(table.ColumnDefinitions[0].Name).To(gomega.Equal("Name"))
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gomega.Expect(table.ResourceVersion).ToNot(gomega.Equal(""))
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gomega.Expect(table.SelfLink).ToNot(gomega.Equal(""))
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out := printTable(table)
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gomega.Expect(out).To(gomega.MatchRegexp("^NAME\\s"))
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e2elog.Logf("Table:\n%s", out)
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})
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ginkgo.It("should return a 406 for a backend which does not implement metadata", func() {
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c := f.ClientSet
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table := &metav1beta1.Table{}
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sar := &authorizationv1.SelfSubjectAccessReview{
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Spec: authorizationv1.SelfSubjectAccessReviewSpec{
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NonResourceAttributes: &authorizationv1.NonResourceAttributes{
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Path: "/",
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Verb: "get",
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},
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},
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}
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err := c.AuthorizationV1().RESTClient().Post().Resource("selfsubjectaccessreviews").SetHeader("Accept", "application/json;as=Table;v=v1beta1;g=meta.k8s.io").Body(sar).Do().Into(table)
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framework.ExpectError(err, "failed to return error when posting self subject access review: %+v, to a backend that does not implement metadata", sar)
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gomega.Expect(err.(errors.APIStatus).Status().Code).To(gomega.Equal(int32(406)))
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})
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})
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func printTable(table *metav1beta1.Table) string {
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buf := &bytes.Buffer{}
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tw := tabwriter.NewWriter(buf, 5, 8, 1, ' ', 0)
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printer := printers.NewTablePrinter(printers.PrintOptions{})
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err := printer.PrintObj(table, tw)
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framework.ExpectNoError(err, "failed to print table: %+v", table)
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tw.Flush()
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return buf.String()
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}
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func newTablePod(podName string) *v1.Pod {
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containerName := fmt.Sprintf("%s-container", podName)
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port := 8080
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pod := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: podName,
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{
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{
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Name: containerName,
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Image: imageutils.GetE2EImage(imageutils.Porter),
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Env: []v1.EnvVar{{Name: fmt.Sprintf("SERVE_PORT_%d", port), Value: "foo"}},
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Ports: []v1.ContainerPort{{ContainerPort: int32(port)}},
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},
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},
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RestartPolicy: v1.RestartPolicyNever,
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},
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}
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return pod
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}
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